package com.spider.branch;

public class SwitchDemo4 {
    public static void main(String[] args) {
        check(9);
    }
    public static void check(int month)
        {
            switch (month)
            {
                case 1:
                case 3:
                case 5:
                case 7:
                case 8:
                case 10:
                case 12:
                    System.out.println("31天");
                    break;
                case 4:
                case 6:
                case 9:
                case 11:
                    System.out.println("30天");
                    break;
                case 2:
                    System.out.println("28天");
                    break;
                    default:
                        System.out.println("输入的月份有误");
                        break;
            }
        }
}
